. American X-ray journal . The average voltage required by 8 to10-inch coil is about 10.(5 volts, repre-sented by twelve cells of Edison LalandBattery Type S. With these cells, theoutfit consists simply of the vacuumtube, coil, fluoroscope or screen, andbatteries, the electro-motive force of thecells making it safe to use the vibratorof the coil without injury to the same,. while the single condenser in the baseoi the coil lias sufficient micro-faradcapacity l give a good and more- steady discharge is ob- lined by the employment of an addi-tional adjustable multiple condens
. American X-ray journal . The average voltage required by 8 to10-inch coil is about 10.(5 volts, repre-sented by twelve cells of Edison LalandBattery Type S. With these cells, theoutfit consists simply of the vacuumtube, coil, fluoroscope or screen, andbatteries, the electro-motive force of thecells making it safe to use the vibratorof the coil without injury to the same,. while the single condenser in the baseoi the coil lias sufficient micro-faradcapacity l give a good and more- steady discharge is ob- lined by the employment of an addi-tional adjustable multiple condenser of at leasl micro-farads. For a coil givingL2-inch spark we have to have twelveEdi -oil Laland cells. Where there is no other source of electricity at disposal,recourse to such a battery can be has, however, the inconvenience ofrequiring frequent replenishing of thecells.
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